{"id":"CVE-2026-84941","aliases":["EUVD-2026-75890","GHSA-8qr5-rrw5-mq36"],"status":"published","title":"Omada Controller XML External Entity (XXE) Injection in SAML IdP Metadata Parsing Leading to Arbitrary Local File Read","description":"An information disclosure vulnerability in the SAML Single Sign-On (SSO) functionality of Omada Controller allows an authenticated user with SAML configuration privileges to access sensitive information due to insufficient validation of user-supplied SAML metadata. Successful exploitation could result in unauthorized disclosure of sensitive information.","severity":{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00473,"percentile":0.41355,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-611"],"published":"2026-09-10T23:35:53Z","modified":"2026-09-11T15:21:12Z","products":[{"vendor":"tp-link systems inc","product":"oc200 v3"},{"vendor":"tp-link systems inc","product":"oc220 v2"},{"vendor":"tp-link systems inc.","product":"oc200 v3"},{"vendor":"tp-link systems inc.","product":"oc2000 v1"},{"vendor":"tp-link systems inc.","product":"oc2000 v2"},{"vendor":"tp-link systems inc.","product":"oc220 v1"},{"vendor":"tp-link systems inc.","product":"oc220 v2"},{"vendor":"tp-link systems inc.","product":"oc300 v1"},{"vendor":"tp-link systems inc.","product":"oc400 v1"},{"vendor":"tp-link systems inc.","product":"omada software controller (linux)"},{"vendor":"tp-link systems inc.","product":"omada software controller (windows)"}],"references":[{"url":"https://support.omadanetworks.com/en/download/software/omada-controller","tags":["patch"]},{"url":"https://support.omadanetworks.com/us/download/software/omada-controller","tags":["patch"]},{"url":"https://www.omadanetworks.com/en/support/download/","tags":["patch"]},{"url":"https://www.omadanetworks.com/us/support/download/","tags":["patch"]},{"url":"https://support.omadanetworks.com/en/document/133722/","tags":["vendor-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-84941"},{"url":"https://support.omadanetworks.com/en/document/133722"},{"url":"https://www.omadanetworks.com/en/support/download"},{"url":"https://www.omadanetworks.com/us/support/download"},{"url":"https://github.com/advisories/GHSA-8qr5-rrw5-mq36"}],"sources":{"cve":[{"id":"CVE-2026-84941","title":"Omada Controller XML External Entity (XXE) Injection in SAML IdP Metadata Parsing Leading to Arbitrary Local File Read","description":"An information disclosure vulnerability in the SAML Single Sign-On (SSO) functionality of Omada Controller allows an authenticated user with SAML configuration privileges to access sensitive information due to insufficient validation of user-supplied SAML metadata. 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